L1 /   
3
CH3041
RADIATION BALANCE
• Incoming solar
radiation is
found at short l
UV-Visible, the
re-radiation is at
long l in the IR.
Actual
No greenhouse gases
• The greenhouse
gases absorb a
significant proportn
of the re-emitted
radiation heating
the local air® 15oC.
Earth -23oC
Sun  5700oC
Stratospheric
gas molecules
filter out l